Index: openacs-4/packages/categories/www/categories-browse.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/categories/www/categories-browse.tcl,v
diff -u -r1.11 -r1.12
--- openacs-4/packages/categories/www/categories-browse.tcl	14 Jun 2015 00:26:54 -0000	1.11
+++ openacs-4/packages/categories/www/categories-browse.tcl	27 Jun 2015 19:24:24 -0000	1.12
@@ -10,7 +10,7 @@
     tree_ids:integer,multiple
     {category_ids:integer,multiple,optional ""}
     {page:integer,optional 1}
-    {orderby:optional object_name}
+    {orderby:token,optional object_name}
     {subtree_p:boolean,optional f}
     {letter:optional all}
     {join:optional or}
@@ -36,7 +36,7 @@
 set page_title "Browse categories"
 
 set context_bar [list "Browse categories"]
-set url_vars [export_vars -url {tree_ids:multiple category_ids:multiple subtree_p letter join package_id}]
+set url_vars [export_vars {tree_ids:multiple category_ids:multiple subtree_p letter join package_id}]
 set form_vars [export_vars -form {tree_ids:multiple orderby subtree_p letter package_id}]
 
 db_transaction {